20 



40° 59.500' N- 



40° 59.300' N- 



40° 59.200' N- 



July 1996 vs July 1992 

 Depth Difference 



^ 



V^,--' 



73° 29.400' W 7 



73° 28.800' W 



WLIS 



1200 m X 1000 m Survey Area 



Difference in meters 



NAD 27 



Om 



400 m 



Figure 3-4. Depth difference plot of the July 1996 survey versus the July 1992 survey 

 over the southwestern quadrant of WLIS, 0.25 m contour interval 



Monitoring Cruise at the Western Long Island Sound Disposal Site, July 1996 



